include/notifier.php

   1 <?php
   2 require_once("boot.php");
   3
   4 function notifier_run($argv, $argc){
   5         global $a, $db;
   6
   7         if(is_null($a)){
   8                 $a = new App;
   9         }
  10
  11         if(is_null($db)) {
  12                 @include(".htconfig.php");
  13                 require_once("dba.php");
  14                 $db = new dba($db_host, $db_user, $db_pass, $db_data);
  15                         unset($db_host, $db_user, $db_pass, $db_data);
  16         }
  17
  18         require_once("session.php");
  19         require_once("datetime.php");
  20         require_once('include/items.php');
  21         require_once('include/bbcode.php');
  22
  23         load_config('config');
  24         load_config('system');
  25
  26         load_hooks();
  27
  28         if($argc < 3)
  29                 return;
  30
  31         $a->set_baseurl(get_config('system','url'));
  32
  33         logger('notifier: invoked: ' . print_r($argv,true));
  34
  35         $cmd = $argv[1];
  36
  37         switch($cmd) {
  38
  39                 case 'mail':
  40                 default:
  41                         $item_id = intval($argv[2]);
  42                         if(! $item_id){
  43                                 return;
  44                         }
  45                         break;
  46         }
  47
  48         $expire = false;
  49         $top_level = false;
  50         $recipients = array();
  51         $url_recipients = array();
  52
  53         $normal_mode = true;
  54
  55         if($cmd === 'mail') {
  56                 $normal_mode = false;
  57                 $message = q("SELECT * FROM `mail` WHERE `id` = %d LIMIT 1",
  58                                 intval($item_id)
  59                 );
  60                 if(! count($message)){
  61                         return;
  62                 }
  63                 $uid = $message[0]['uid'];
  64                 $recipients[] = $message[0]['contact-id'];
  65                 $item = $message[0];
  66
  67         }
  68         elseif($cmd === 'expire') {
  69                 $normal_mode = false;
  70                 $expire = true;
  71                 $items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1
  72                         AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP - INTERVAL 10 MINUTE",
  73                         intval($item_id)
  74                 );
  75                 $uid = $item_id;
  76                 $item_id = 0;
  77                 if(! count($items))
  78                         return;
  79         }
  80         elseif($cmd === 'suggest') {
  81                 $normal_mode = false;
  82                 $suggest = q("SELECT * FROM `fsuggest` WHERE `id` = %d LIMIT 1",
  83                         intval($item_id)
  84                 );
  85                 if(! count($suggest))
  86                         return;
  87                 $uid = $suggest[0]['uid'];
  88                 $recipients[] = $suggest[0]['cid'];
  89                 $item = $suggest[0];
  90         }
  91         else {
  92
  93                 // find ancestors
  94                 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
  95                         intval($item_id)
  96                 );
  97
  98                 if((! count($r)) || (! intval($r[0]['parent']))) {
  99                         return;
 100                 }
 101
 102                 $target_item = $r[0];
 103                 $parent_id = intval($r[0]['parent']);
 104                 $uid = $r[0]['uid'];
 105                 $updated = $r[0]['edited'];
 106
 107                 $items = q("SELECT * FROM `item` WHERE `parent` = %d ORDER BY `id` ASC",
 108                         intval($parent_id)
 109                 );
 110
 111                 if(! count($items)) {
 112                         return;
 113                 }
 114
 115                 // avoid race condition with deleting entries
 116
 117                 if($items[0]['deleted']) {
 118                         foreach($items as $item)
 119                                 $item['deleted'] = 1;
 120                 }
 121
 122                 if(count($items) == 1 && $items[0]['uri'] === $items[0]['parent-uri'])
 123                         $top_level = true;
 124         }
 125
 126         $r = q("SELECT `contact`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`,
 127                 `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
 128                 `user`.`page-flags`, `user`.`prvnets`
 129                 FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
 130                 WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 131                 intval($uid)
 132         );
 133
 134         if(! count($r))
 135                 return;
 136
 137         $owner = $r[0];
 138
 139         $hub = get_config('system','huburl');
 140
 141         // If this is a public conversation, notify the feed hub
 142         $notify_hub = true;
 143
 144         // fill this in with a single salmon slap if applicable
 145         $slap = '';
 146
 147         if($cmd != 'mail' && $cmd != 'suggest') {
 148
 149                 require_once('include/group.php');
 150
 151                 $parent = $items[0];
 152
 153                 if($parent['wall'] == 0 && (! $expire)) {
 154                         // local followup to remote post
 155                         $followup = true;
 156                         $notify_hub = false; // not public
 157                         $conversant_str = dbesc($parent['contact-id']);
 158                 }
 159                 else {
 160                         $followup = false;
 161
 162                         if((strlen($parent['allow_cid']))
 163                                 || (strlen($parent['allow_gid']))
 164                                 || (strlen($parent['deny_cid']))
 165                                 || (strlen($parent['deny_gid']))) {
 166                                 $notify_hub = false; // private recipients, not public
 167                         }
 168
 169                         $allow_people = expand_acl($parent['allow_cid']);
 170                         $allow_groups = expand_groups(expand_acl($parent['allow_gid']));
 171                         $deny_people  = expand_acl($parent['deny_cid']);
 172                         $deny_groups  = expand_groups(expand_acl($parent['deny_gid']));
 173
 174                         $conversants = array();
 175
 176                         foreach($items as $item) {
 177                                 $recipients[] = $item['contact-id'];
 178                                 $conversants[] = $item['contact-id'];
 179                                 // pull out additional tagged people to notify (if public message)
 180                                 if($notify_hub && strlen($item['inform'])) {
 181                                         $people = explode(',',$item['inform']);
 182                                         foreach($people as $person) {
 183                                                 if(substr($person,0,4) === 'cid:') {
 184                                                         $recipients[] = intval(substr($person,4));
 185                                                         $conversants[] = intval(substr($person,4));
 186                                                 }
 187                                                 else {
 188                                                         $url_recipients[] = substr($person,4);
 189                                                 }
 190                                         }
 191                                 }
 192                         }
 193
 194                         logger('notifier: url_recipients' . print_r($url_recipients,true));
 195
 196                         $conversants = array_unique($conversants);
 197
 198
 199                         $recipients = array_unique(array_merge($recipients,$allow_people,$allow_groups));
 200                         $deny = array_unique(array_merge($deny_people,$deny_groups));
 201                         $recipients = array_diff($recipients,$deny);
 202
 203                         $conversant_str = dbesc(implode(', ',$conversants));
 204                 }
 205
 206                 $r = q("SELECT * FROM `contact` WHERE `id` IN ( $conversant_str ) AND `blocked` = 0 AND `pending` = 0");
 207
 208
 209                 if(count($r))
 210                         $contacts = $r;
 211         }
 212
 213         $feed_template = get_markup_template('atom_feed.tpl');
 214         $mail_template = get_markup_template('atom_mail.tpl');
 215
 216         $atom = '';
 217         $slaps = array();
 218
 219         $hubxml = feed_hublinks();
 220
 221         $birthday = feed_birthday($owner['uid'],$owner['timezone']);
 222
 223         if(strlen($birthday))
 224                 $birthday = '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>';
 225
 226         $atom .= replace_macros($feed_template, array(
 227                         '$version'      => xmlify(FRIENDIKA_VERSION),
 228                         '$feed_id'      => xmlify($a->get_baseurl() . '/profile/' . $owner['nickname'] ),
 229                         '$feed_title'   => xmlify($owner['name']),
 230                         '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) ,
 231                         '$hub'          => $hubxml,
 232                         '$salmon'       => '',  // private feed, we don't use salmon here
 233                         '$name'         => xmlify($owner['name']),
 234                         '$profile_page' => xmlify($owner['url']),
 235                         '$photo'        => xmlify($owner['photo']),
 236                         '$thumb'        => xmlify($owner['thumb']),
 237                         '$picdate'      => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
 238                         '$uridate'      => xmlify(datetime_convert('UTC','UTC',$owner['uri-date']    . '+00:00' , ATOM_TIME)) ,
 239                         '$namdate'      => xmlify(datetime_convert('UTC','UTC',$owner['name-date']   . '+00:00' , ATOM_TIME)) ,
 240                         '$birthday'     => $birthday
 241         ));
 242
 243         if($cmd === 'mail') {
 244                 $notify_hub = false;  // mail is  not public
 245
 246                 $body = fix_private_photos($item['body'],$owner['uid']);
 247
 248                 $atom .= replace_macros($mail_template, array(
 249                         '$name'         => xmlify($owner['name']),
 250                         '$profile_page' => xmlify($owner['url']),
 251                         '$thumb'        => xmlify($owner['thumb']),
 252                         '$item_id'      => xmlify($item['uri']),
 253                         '$subject'      => xmlify($item['title']),
 254                         '$created'      => xmlify(datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME)),
 255                         '$content'      => xmlify($body),
 256                         '$parent_id'    => xmlify($item['parent-uri'])
 257                 ));
 258         }
 259         elseif($cmd === 'suggest') {
 260                 $notify_hub = false;  // suggestions are not public
 261
 262                 $sugg_template = get_markup_template('atom_suggest.tpl');
 263
 264                 $atom .= replace_macros($sugg_template, array(
 265                         '$name'         => xmlify($item['name']),
 266                         '$url'          => xmlify($item['url']),
 267                         '$photo'        => xmlify($item['photo']),
 268                         '$request'      => xmlify($item['request']),
 269                         '$note'         => xmlify($item['note'])
 270                 ));
 271
 272                 // We don't need this any more
 273
 274                 q("DELETE FROM `fsuggest` WHERE `id` = %d LIMIT 1",
 275                         intval($item['id'])
 276                 );
 277
 278         }
 279         else {
 280                 if($followup) {
 281                         foreach($items as $item) {  // there is only one item
 282                                 if(! $item['parent'])
 283                                         continue;
 284                                 if($item['id'] == $item_id) {
 285                                         logger('notifier: followup: item: ' . print_r($item,true), LOGGER_DATA);
 286                                         $slap  = atom_entry($item,'html',$owner,$owner,false);
 287                                         $atom .= atom_entry($item,'text',$owner,$owner,false);
 288                                 }
 289                         }
 290                 }
 291                 else {
 292                         foreach($items as $item) {
 293
 294                                 if(! $item['parent'])
 295                                         continue;
 296
 297                                 // private emails may be in included in public conversations. Filter them.
 298
 299                                 if(($notify_hub) && $item['private'])
 300                                         continue;
 301
 302                                 $contact = get_item_contact($item,$contacts);
 303                                 if(! $contact)
 304                                         continue;
 305
 306                                 $atom .= atom_entry($item,'text',$contact,$owner,true);
 307
 308                                 if(($top_level) && ($notify_hub) && ($item['author-link'] === $item['owner-link']) && (! $expire))
 309                                         $slaps[] = atom_entry($item,'html',$contact,$owner,true);
 310                         }
 311                 }
 312         }
 313         $atom .= '</feed>' . "\r\n";
 314
 315         logger('notifier: ' . $atom, LOGGER_DATA);
 316
 317         logger('notifier: slaps: ' . print_r($slaps,true), LOGGER_DATA);
 318
 319         // If this is a public message and pubmail is set on the parent, include all your email contacts
 320
 321         $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
 322
 323         if(! $mail_disabled) {
 324                 if((! strlen($target_item['allow_cid'])) && (! strlen($target_item['allow_gid']))
 325                         && (! strlen($target_item['deny_cid'])) && (! strlen($target_item['deny_gid']))
 326                         && (intval($target_item['pubmail']))) {
 327                         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `network` = '%s'",
 328                                 intval($uid),
 329                                 dbesc(NETWORK_MAIL)
 330                         );
 331                         if(count($r)) {
 332                                 foreach($r as $rr)
 333                                         $recipients[] = $rr['id'];
 334                         }
 335                 }
 336         }
 337
 338         if($followup)
 339                 $recip_str = $parent['contact-id'];
 340         else
 341                 $recip_str = implode(', ', $recipients);
 342
 343         $r = q("SELECT * FROM `contact` WHERE `id` IN ( %s ) AND `blocked` = 0 AND `pending` = 0 ",
 344                 dbesc($recip_str)
 345         );
 346
 347         // delivery loop
 348
 349         require_once('include/salmon.php');
 350
 351         if(count($r)) {
 352                 foreach($r as $contact) {
 353                         if($contact['self'])
 354                                 continue;
 355
 356                         $deliver_status = 0;
 357
 358                         switch($contact['network']) {
 359                                 case NETWORK_DFRN:
 360                                         logger('notifier: dfrndelivery: ' . $contact['name']);
 361                                         $deliver_status = dfrn_deliver($owner,$contact,$atom);
 362
 363                                         logger('notifier: dfrn_delivery returns ' . $deliver_status);
 364
 365                                         if($deliver_status == (-1)) {
 366                                                 logger('notifier: delivery failed: queuing message');
 367                                                 // queue message for redelivery
 368                                                 q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
 369                                                         VALUES ( %d, '%s', '%s', '%s') ",
 370                                                         intval($contact['id']),
 371                                                         dbesc(datetime_convert()),
 372                                                         dbesc(datetime_convert()),
 373                                                         dbesc($atom)
 374                                                 );
 375                                         }
 376                                         break;
 377                                 case NETWORK_OSTATUS:
 378
 379                                         // Do not send to otatus if we are not configured to send to public networks
 380                                         if($owner['prvnets'])
 381                                                 break;
 382                                         if(get_config('system','ostatus_disabled') || get_config('system','dfrn_only'))
 383                                                 break;
 384
 385                                         if($followup && $contact['notify']) {
 386                                                 logger('notifier: slapdelivery: ' . $contact['name']);
 387                                                 $deliver_status = slapper($owner,$contact['notify'],$slap);
 388
 389                                                 if($deliver_status == (-1)) {
 390                                                         // queue message for redelivery
 391                                                         q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
 392                                                                 VALUES ( %d, '%s', '%s', '%s') ",
 393                                                                 intval($contact['id']),
 394                                                                 dbesc(datetime_convert()),
 395                                                                 dbesc(datetime_convert()),
 396                                                                 dbesc($slap)
 397                                                         );
 398
 399                                                 }
 400                                         }
 401                                         else {
 402
 403                                                 // only send salmon if public - e.g. if it's ok to notify
 404                                                 // a public hub, it's ok to send a salmon
 405
 406                                                 if((count($slaps)) && ($notify_hub) && (! $expire)) {
 407                                                         logger('notifier: slapdelivery: ' . $contact['name']);
 408                                                         foreach($slaps as $slappy) {
 409                                                                 if($contact['notify']) {
 410                                                                         $deliver_status = slapper($owner,$contact['notify'],$slappy);
 411                                                                         if($deliver_status == (-1)) {
 412                                                                                 // queue message for redelivery
 413                                                                                 q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
 414                                                                                         VALUES ( %d, '%s', '%s', '%s') ",
 415                                                                                         intval($contact['id']),
 416                                                                                         dbesc(datetime_convert()),
 417                                                                                         dbesc(datetime_convert()),
 418                                                                                         dbesc($slappy)
 419                                                                                 );
 420                                                                         }
 421                                                                 }
 422                                                         }
 423                                                 }
 424                                         }
 425                                         break;
 426
 427                                 case NETWORK_MAIL:
 428
 429                                         if(get_config('system','dfrn_only'))
 430                                                 break;
 431
 432                                         // WARNING: does not currently convert to RFC2047 header encodings, etc.
 433
 434                                         $addr = $contact['addr'];
 435                                         if(! strlen($addr))
 436                                                 break;
 437
 438                                         if($cmd === 'wall-new' || $cmd === 'comment-new') {
 439
 440                                                 $it = null;
 441                                                 if($cmd === 'wall-new')
 442                                                         $it = $items[0];
 443                                                 else {
 444                                                         $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 445                                                                 intval($argv[2]),
 446                                                                 intval($uid)
 447                                                         );
 448                                                         if(count($r))
 449                                                                 $it = $r[0];
 450                                                 }
 451                                                 if(! $it)
 452                                                         break;
 453
 454
 455
 456                                                 $local_user = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 457                                                         intval($uid)
 458                                                 );
 459                                                 if(! count($local_user))
 460                                                         break;
 461
 462                                                 $reply_to = '';
 463                                                 $r1 = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1",
 464                                                         intval($uid)
 465                                                 );
 466                                                 if($r1 && $r1[0]['reply_to'])
 467                                                         $reply_to = $r1[0]['reply_to'];
 468
 469                                                 $subject  = (($it['title']) ? $it['title'] : t("\x28no subject\x29")) ;
 470                                                 $headers  = 'From: ' . $local_user[0]['username'] . ' <' . $local_user[0]['email'] . '>' . "\n";
 471
 472                                                 if($reply_to)
 473                                                         $headers .= 'Reply-to: ' . $reply_to . "\n";
 474
 475                                                 $headers .= 'Message-id: <' . $it['uri'] . '>' . "\n";
 476
 477                                                 if($it['uri'] !== $it['parent-uri']) {
 478                                                         $header .= 'References: <' . $it['parent-uri'] . '>' . "\n";
 479                                                         if(! strlen($it['title'])) {
 480                                                                 $r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' LIMIT 1",
 481                                                                         dbesc($it['parent-uri'])
 482                                                                 );
 483                                                                 if(count($r)) {
 484                                                                         $subtitle = $r[0]['title'];
 485                                                                         if($subtitle) {
 486                                                                                 if(strncasecmp($subtitle,'RE:',3))
 487                                                                                         $subject = $subtitle;
 488                                                                                 else
 489                                                                                         $subject = 'Re: ' . $subtitle;
 490                                                                         }
 491                                                                 }
 492                                                         }
 493                                                 }
 494
 495                                                 $headers .= 'MIME-Version: 1.0' . "\n";
 496                                                 $headers .= 'Content-Type: text/html; charset=UTF-8' . "\n";
 497                                                 $headers .= 'Content-Transfer-Encoding: 8bit' . "\n\n";
 498                                                 $html    = prepare_body($it);
 499                                                 $message = '<html><body>' . $html . '</body></html>';
 500                                                 logger('notifier: email delivery to ' . $addr);
 501                                                 mail($addr, $subject, $message, $headers);
 502                                         }
 503                                         break;
 504                                 case NETWORK_DIASPORA:
 505                                         if(get_config('system','dfrn_only') || (! get_config('diaspora_enabled')) || (! $normal_mode))
 506                                                 break;
 507
 508                                         if($target_item['verb'] === ACTIVITY_DISLIKE) {
 509                                                 // unsupported
 510                                                 break;
 511                                         }
 512                                         elseif($target_item['deleted'] && (! $parent_item['verb'] === ACTIVITY_LIKE)) {
 513                                                 // diaspora delete,
 514                                                 diaspora_send_retraction($target_item,$owner,$contact);
 515                                                 break;
 516                                         }
 517                                         elseif($followup) {
 518                                                 // send comments, likes and retractions of likes to owner to relay
 519                                                 diaspora_send_followup($target_item,$owner,$contact);
 520                                                 break;
 521                                         }
 522                                         elseif($target_item['parent'] != $target_item['id']) {
 523                                                 // we are the relay - send comments, likes and unlikes to our conversants
 524                                                 diaspora_send_relay($target_item,$owner,$contact);
 525                                                 break;
 526                                         }
 527                                         elseif($top_level) {
 528                                                 diaspora_send_status($target_item,$owner,$contact);
 529                                                 break;
 530                                         }
 531
 532                                         break;
 533
 534                                 case NETWORK_FEED:
 535                                 case NETWORK_FACEBOOK:
 536                                         if(get_config('system','dfrn_only'))
 537                                                 break;
 538                                 default:
 539                                         break;
 540                         }
 541                 }
 542         }
 543
 544         // send additional slaps to mentioned remote tags (@foo@example.com)
 545
 546         if($slap && count($url_recipients) && ($followup || $top_level) && $notify_hub && (! $expire)) {
 547                 if(! get_config('system','dfrn_only')) {
 548                         foreach($url_recipients as $url) {
 549                                 if($url) {
 550                                         logger('notifier: urldelivery: ' . $url);
 551                                         $deliver_status = slapper($owner,$url,$slap);
 552                                         // TODO: redeliver/queue these items on failure, though there is no contact record
 553                                 }
 554                         }
 555                 }
 556         }
 557
 558         if((strlen($hub)) && ($notify_hub)) {
 559                 $hubs = explode(',', $hub);
 560                 if(count($hubs)) {
 561                         foreach($hubs as $h) {
 562                                 $h = trim($h);
 563                                 if(! strlen($h))
 564                                         continue;
 565                                 $params = 'hub.mode=publish&hub.url=' . urlencode($a->get_baseurl() . '/dfrn_poll/' . $owner['nickname'] );
 566                                 post_url($h,$params);
 567                                 logger('pubsub: publish: ' . $h . ' ' . $params . ' returned ' . $a->get_curl_code());
 568                                 if(count($hubs) > 1)
 569                                         sleep(7);                               // try and avoid multiple hubs responding at precisely the same time
 570                         }
 571                 }
 572         }
 573
 574         if($notify_hub) {
 575
 576                 /**
 577                  *
 578                  * If you have less than 999 dfrn friends and it's a public message,
 579                  * we'll just go ahead and push them out securely with dfrn/rino.
 580                  * If you've got more than that, you'll have to rely on PuSH delivery.
 581                  *
 582                  */
 583
 584                 $max_allowed = ((get_config('system','maxpubdeliver') === false) ? 999 : intval(get_config('system','maxpubdeliver')));
 585
 586                 /**
 587                  *
 588                  * Only get the bare essentials and go back for the full record.
 589                  * If you've got a lot of friends and we grab all the details at once it could exhaust memory.
 590                  *
 591                  */
 592
 593                 $r = q("SELECT `id`, `name` FROM `contact`
 594                         WHERE `network` = '%s' AND `uid` = %d AND `blocked` = 0 AND `pending` = 0
 595                         AND `rel` != %d ",
 596                         dbesc(NETWORK_DFRN),
 597                         intval($owner['uid']),
 598                         intval(CONTACT_IS_SHARING)
 599                 );
 600
 601                 if((count($r)) && (($max_allowed == 0) || (count($r) < $max_allowed))) {
 602
 603                         logger('pubdeliver: ' . print_r($r,true));
 604
 605                         foreach($r as $rr) {
 606
 607                                 /* Don't deliver to folks who have already been delivered to */
 608
 609                                 if(! in_array($rr['id'], $conversants)) {
 610                                         $n = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
 611                                                         intval($rr['id'])
 612                                         );
 613
 614                                         if(count($n)) {
 615
 616                                                 logger('notifier: dfrnpubdelivery: ' . $n[0]['name']);
 617                                                 $deliver_status = dfrn_deliver($owner,$n[0],$atom);
 618                                         }
 619                                 }
 620                                 else
 621                                         logger('notifier: dfrnpubdelivery: ignoring ' . $rr['name']);
 622                         }
 623                 }
 624         }
 625
 626         return;
 627 }
 628
 629 if (array_search(__file__,get_included_files())===0){
 630   notifier_run($argv,$argc);
 631   killme();
 632 }